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Add workaround for vt efifb's early use of PHYS_TO_DMAP
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Authored by emaste on Nov 11 2014, 2:43 PM.
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Details

Summary

In vt_efifb_init the framebuffer's physaddr is passed to PHYS_TO_DMAP before the DMAP is setup. The result is not actually accessed until after the mapping is setup, though. Loosen the assertion in PHYS_TO_DMAP for now, to allow use when dmaplimit == 0.

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emaste retitled this revision from to Add bandaid for vt efifb's early use of PHYS_TO_DMAP.
emaste updated this object.
emaste edited the test plan for this revision. (Show Details)
emaste added reviewers: royger, kib.
kib edited edge metadata.
This revision is now accepted and ready to land.Nov 11 2014, 2:49 PM
emaste retitled this revision from Add bandaid for vt efifb's early use of PHYS_TO_DMAP to Add workaround for vt efifb's early use of PHYS_TO_DMAP.
emaste edited edge metadata.

As suggested by kib, add comment at macro definition

emaste updated this revision to Diff 2358.

Closed by commit rS274382 (authored by @emaste).